-9 < hoac = x <8
Tìm tổng các số nguyên thỏa mãn yêu cầu
Lam tung buoc nha ruj mink tick nha may ban
NN
Những câu hỏi liên quan
Tim cac so nguyen x, biet:
1. -10<x<-5
2. -4<hoac= x <hoac=3
3. n+9<x<hoac=n+12
4. n+15<x<n+15
5. x<-9 va x<9
6. |x|=|10|
7. |x|=20 va x>0
8. |x|=-100
9. |-5|+|-9|+x=14+|12|
10. 8+x=|-8|+20
a)
tinh (-10)+12+(-14)+16+(-18)+20+(-24)+26+(-2015)+2017
b) tinh
455+(-311)+3789+(-144)
c) tim tong cac so nguyen x biet
a) -4 <x be hon hoac bang 4
b) -7 < hoac bang x < hoac bang 8
c) -9 < x < hoac bang 5
tìm x thuoc Z
9< hoac = /x-3/<11
(X+5)^7=(X-5)^9
VOI X LON HON HOAC BANG 5
9/2.(1/5-1/2)<hoac bang< hoac bang3/11.(1/5+2/3-1/2)
1) Cho phuong trinh x m / x 1 x-2 / x = 2. De phuong trinh vo nghiem thi: A. m = 1 hoac m = 3 B. m = -1 hoac m = -3 C. m =2 hoac m=-2 D. m = -1/3 hoac m = 1/2
Xem chi tiết
1) Cho phuong trinh x+m / x+1 + x-2 / x = 2. De phuong trinh vo nghiem thi: A. m = 1 hoac m = 3 B. m = -1 hoac m = -3 C. m =2 hoac m=-2 D. m = -1/3 hoac m = 1/2
hay viet cac tap hop sau bang cach khac
A={ 9;11;13;...;99]
B={ 12 ; 24 ; 36 ;48}
M= { THANG 4 ; THANG 6 ;THANG 9 ; THANG 11}
N = { X THUOC N / X LON HON HOAC BANG 3 , LON HON HOAC BANG 10}
Q = { X THUOC N / X LON HON 0 ,BE HON 10}
1. tính tổng các số nguyên x biết :
1/-20<x<21
2/-18< hoac bang x < hoac bang 17
3/-27<x< hoac bang 27
4/(x)< hoac bang 3
5/(-x)<5
1) -82-x-(-15)-29-(-6)+x2 (x-3)-9.(2x-7)-16:2 3) (3+2).(x-3)04) (x+3)^2:3-1-105) (x-2).(x^2+1)06) (x-7)^2-1697) x+2 la U78) 2x la Bx-19) (x+7).(4-x)010) (x^2+1).(4x-2).(x-1) hoac 011) (2-x).x^2 hoac 012) /x/+x013) /x/-x014) 3/x/ hoac 5 (vs x thuoc Z)
Đọc tiếp
1) -82-x-(-15)=-29-(-6)+x
2 (x-3)-9.(2x-7)=-16:2
3) (3+2).(x-3)=0
4) (x+3)^2:3-1=-10
5) (x-2).(x^2+1)=0
6) (x-7)^2-16=9
7) x+2 la U7
8) 2x la Bx-1
9) (x+7).(4-x)>0
10) (x^2+1).(4x-2).(x-1) > hoac = 0
11) (2-x).x^2< hoac = 0
12) /x/+x=0
13) /x/-x=0
14) 3</x/ < hoac =5 (vs x thuoc Z)